Electron microscope



FIG. 1 is a front, top and right side perspective view of an electronmicroscope showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines shown are for illustrative purpose and form no part ofthe claimed design.

CLAIM We claim the ornamental design for an electron microscope, asshown and described.